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Author Topic: Sidechain eq: analog vs digital and other options  (Read 2646 times)

dietrich

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Sidechain eq: analog vs digital and other options
« on: August 11, 2009, 10:33:38 PM »

Did some forum searches but not much detailed posting about eq types and qualities people use for a sidechain eq.

Seems a unit with hp/lf + decent selectable ranges would be handy as a sidechain eq.

Curious what eq is in your rack for the sidechain purposes

D

dcollins

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Re: Sidechain eq: analog vs digital and other options
« Reply #1 on: August 12, 2009, 02:32:02 AM »

dietrich wrote on Tue, 11 August 2009 19:33

Did some forum searches but not much detailed posting about eq types and qualities people use for a sidechain eq.

Seems a unit with hp/lf + decent selectable ranges would be handy as a sidechain eq.

Curious what eq is in your rack for the sidechain purposes

D


I don't use anything but a simple capacitor side-chain filter, but the quality of the equalizer is not a factor when used in this application.

DC

dietrich

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Re: Sidechain eq: analog vs digital and other options
« Reply #2 on: August 12, 2009, 08:05:21 AM »

Thanks DC.
I think an older Klark DN410 could fit my needs nicely.

bblackwood

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Re: Sidechain eq: analog vs digital and other options
« Reply #3 on: August 12, 2009, 09:26:52 AM »

For years I've considered finding a cheap parametric to play with the sidechain in order to help dynamic issues that aren't full bandwidth, but I'm not certain it would work as I think it might and I just haven't had the time to even try it...
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Brad Blackwood
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Viitalahde

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Re: Sidechain eq: analog vs digital and other options
« Reply #4 on: August 12, 2009, 09:37:13 AM »

bblackwood wrote on Wed, 12 August 2009 14:26

For years I've considered finding a cheap parametric to play with the sidechain in order to help dynamic issues that aren't full bandwidth, but I'm not certain it would work as I think it might and I just haven't had the time to even try it...


I'd think a lo/hi shelving EQ could be pretty intuitive for this. Some German modules might be good, and the newer ones with evil op-amps wouldn't cost that much.
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dietrich

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Re: Sidechain eq: analog vs digital and other options
« Reply #5 on: August 12, 2009, 09:46:42 AM »

racking a pair of neumann ht series would be nice but that is expensive sidechain eq option.

bblackwood

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Re: Sidechain eq: analog vs digital and other options
« Reply #6 on: August 12, 2009, 10:26:20 AM »

Viitalahde wrote on Wed, 12 August 2009 08:37

bblackwood wrote on Wed, 12 August 2009 14:26

For years I've considered finding a cheap parametric to play with the sidechain in order to help dynamic issues that aren't full bandwidth, but I'm not certain it would work as I think it might and I just haven't had the time to even try it...


I'd think a lo/hi shelving EQ could be pretty intuitive for this. Some German modules might be good, and the newer ones with evil op-amps wouldn't cost that much.

Yah, I would think that would work fine - I mean more like  a de-esser on steroids, where one can help tame certain bass notes or similar. Somewhat like a multi-band compressor without the crossovers.

I dunno, may sound dreadful but the idea has intrigued me for years...
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dietrich

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Re: Sidechain eq: analog vs digital and other options
« Reply #7 on: August 12, 2009, 10:32:22 AM »

I am considering a BEHRINGER PEQ2200.

Honestly I feel lose some mastering street cred just having it in the racks!

5 bands and high+low pass filters.

a pair of dbx905 would do the trick too

Mark Donahue

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Re: Sidechain eq: analog vs digital and other options
« Reply #8 on: August 14, 2009, 10:59:41 AM »

Like DC, I've never used anything but a couple of capacitors and a switch for my side chain EQ.
One thing I've always wondered about is if the latency going through a digital EQ will have any effect on the timing performance of the compressor? My feeling is that it will add a subtle predelay to the compressor. Not really an issue for me here, since I tend to use pretty long attacks on my analog compressor, but for those using very short attacks it might pose a problem.

All the best,
-mark
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livingstone

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Re: Sidechain eq: analog vs digital and other options
« Reply #9 on: August 14, 2009, 12:03:30 PM »

Viitalahde wrote on Wed, 12 August 2009 08:37

bblackwood wrote on Wed, 12 August 2009 14:26

For years I've considered finding a cheap parametric to play with the sidechain in order to help dynamic issues that aren't full bandwidth, but I'm not certain it would work as I think it might and I just haven't had the time to even try it...


I'd think a lo/hi shelving EQ could be pretty intuitive for this. Some German modules might be good, and the newer ones with evil op-amps wouldn't cost that much.


i played nicely with a pair of neumann w492 eqs on my stc8h sidechain,
a bit too much for this use, i agree, but it was allowing some great compression shapings with the combination HPF , shelf and bell applyed to the bass/kick or even sometimes to the snare (adding gain, to control it),
before this i used 2 channels of eq on my metric halo 2882dsp interface and the latency of the process wasn't perceptible.
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dietrich

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Re: Sidechain eq: analog vs digital and other options
« Reply #10 on: August 14, 2009, 05:29:21 PM »

I am going to try a Klark DN405 mono parametric with filters as I run the Summit in link mode which only needs sidechain to input 1.

Tech offered me pair of Filtek BP modules racked for great price but not in summer budget.
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